There are at lest two families where the...

There are at lest two families where the product of double fertilisation soon disintegrates and endosperm development is completely absent in. These includes

Orchidaceae and Podostemonaceae

Asteraceae and Fabaceae

Poaceae and Brassiceae

All of the above

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Endosperm, a product of double fertilisation in angiosperm is absent in the seeds of

Endosperm, a product of double fertilization in angiosperms is absent in the seeds of

Name the two end products of double fertilization in angiosperms. How are they formed ? Write their fate during the development of speed.

The angiospermic endosperm, except in special cases, is a triploid (3n) tissue as it is a product of triple fusion involving double fertilisation. It is thus, distinct from the endosperm of gymnosperms and heterosporous pteridophytes, where the endosperm is a

A tissue is a group of similar cells held together by a cementing substance produced by them, for performing a specific function. There are two types of tissue in plants i.e., meristematic tissue and permanent tissue. Meristematic tissue are found in all growing parts of plants such as root and shoot tips. These are called apical meristem. The tissue occurs right from the birth of plant, are called primary meristems. Permanent tissue arise from meristematic tissue and constitute major portion of the plant body. These includes simple and complex tissues. Simple tissues are parenchyma, sclerenchyma and collenchyma, complex tissue are xylem and phloem. __________ transports product of photosynthesis from the leaves where they are synthesised, to other parts of the plant.

ARIHANT NEET-SEXUAL REPRODUCTION IN FLOWERING PLANTS -ASORTED QUESTIONS

From among the situations given below, choose the one that prevents bo...
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The male gametes of angiosperms are
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